Global Patent Index - EP 4191181 A1

EP 4191181 A1 20230607 - CEMENT MANUFACTURING PLANT AND METHOD OF OPERATING A CEMENT MANUFACTURING PLANT

Title (en)

CEMENT MANUFACTURING PLANT AND METHOD OF OPERATING A CEMENT MANUFACTURING PLANT

Title (de)

ZEMENTHERSTELLUNGSANLAGE UND VERFAHREN ZUM BETRIEB EINER ZEMENTHERSTELLUNGSANLAGE

Title (fr)

INSTALLATION DE FABRICATION DE CIMENT ET PROCÉDÉ DE FONCTIONNEMENT D'UNE INSTALLATION DE FABRICATION DE CIMENT

Publication

EP 4191181 A1 20230607 (EN)

Application

EP 21020608 A 20211202

Priority

EP 21020608 A 20211202

Abstract (en)

A cement manufacturing plant comprises a raw meal mill, at least one preheater string, a clinker furnace and a clinker cooler comprising a first section and a second section, wherein preheater exhaust gas recirculation means are provided for recirculating exhaust gas leaving the at least one preheater string into the first section of the clinker cooler, and wherein the cement plant is configured for switching between an air operation mode and an oxyfuel operation mode, comprising first switching means for connecting either a source of air or a source of oxygen rich gas to a burning zone of the clinker furnace burner, and second switching means for either establishing or separating a connection of the preheater exhaust gas recirculation means to the first section of the clinker cooler.

IPC 8 full level

F27B 7/20 (2006.01); C04B 7/36 (2006.01); C04B 7/43 (2006.01); F27B 7/38 (2006.01); F27B 7/40 (2006.01)

CPC (source: EP)

C04B 7/364 (2013.01); C04B 7/43 (2013.01); F27B 7/2033 (2013.01); F27B 7/383 (2013.01); F27B 7/40 (2013.01)

Citation (search report)

Citation (third parties)

Third party : Anonymous

ANONYMOUS: "Technical Report TR-ECRA-119/2012 ECRA CCS Project - Report on Phase III", EUROPEAN CEMENT RESEARCH ACADEMY, 14 March 2012 (2012-03-14), pages 1 - 107, XP093088014

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

Designated validation state (EPC)

KH MA MD TN

DOCDB simple family (publication)

EP 4191181 A1 20230607; CA 3239211 A1 20230608; CN 118318141 A 20240709; WO 2023100099 A1 20230608

DOCDB simple family (application)

EP 21020608 A 20211202; CA 3239211 A 20221130; CN 202280078592 A 20221130; IB 2022061594 W 20221130